Originally uploaded by Maccise.
You can download the yahoo widgets, is available for Windows and Mac OS platform.
Widgets are just utility, which look simple and nice, normally connect to an internet service to retrieve some information, eg. weather.
Application are moving from desktop to browser, then back to the desktop (as widgets), and eventually it will go back to the browser. It is the services which make the different.
CNet, Yahoo acquire Konfabulator.